| abstract |
There is provided a diamine compound represented by the following formula (1). [Chemical Formula 1] In formula (1), Ar 1 and Ar 2 are each independently selected from the group consisting of the following formulas (1-1) to (1-3) [Formula 1-1] [Formula 1-2] [Formula 1-3] In Formulas 1-1 to 1-3, R 1 to R 4 are each independently selected from the group consisting of hydrogen, an alkyl group having 1 to 30 carbon atoms, and trifluoromethyl (CF 3 ). |